XNA is a game framework by Microsoft that allows deployment for Xbox Live Indie Games as well as Windows Phone 7.

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Collision detection problem in XNA

I'm having two problems with my collision detection in XNA. There are two boxes, the red box represents a player and the blue box represents a wall. The first problem is when the player moves to the ...
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1answer
60 views

how to define a field of view for the entire map for shadow?

I recently added "Shadow Mapping" in my XNA games to include shadows. I followed the nice and famous tutorial from "Riemers" : http://www.riemers.net/eng/Tutorials/XNA/Csharp/Series3/Shadow_map.php . ...
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1answer
93 views

Character creation using spritesheets

I am currently creating a 2D fighting game and have implemented a system where upon starting a new game, the player is presented with the option to create a custom character. I have a set of string ...
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1answer
210 views

How add fog with pixel shader (HLSL) XNA?

I started to make a small game in XNA . And recently i tried to add a "fog" on "pixel shader HLSL" with the class Effect from XNA . I search online about some tutorial and found many sample. But ...
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1answer
57 views

Problem with sprite direction and rotation

I have a sprite called Tool that moves with a speed represented as a float and in a direction represented as a Vector2. When I click the mouse on the screen the sprite change its direction and starts ...
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1answer
132 views

Draw lines from the center of the screen at specific angles

I want to draw multiple primitive lines which start at the center of the screen and end at the edges of the screen, traveling at specific angles: How can I set the angle for each line? Here is my ...
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1answer
63 views

Collisions and Lists [closed]

I've run into an issue that breaks my collisions. Here's my method: Gather Input Project Rectangle Check for intersection and ispassable Update The update method is built on object_position * ...
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0answers
56 views

XNA HLSL UV Mapping

I was testing my hlsl lighting shader, I've copied it from a tutorial and it works perfectly, but all the meshes in the model needs to have texture coordinate, I guess this is because this part: ...
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1answer
44 views

(XNA) Stretching Images (Sprites) without Blur (Rasterizing?)

thanks for clicking on this question although it has likely one of the most un-specific and confusing titles on this site. I am somewhat new to XNA and I have only posted 1 question on this site ...
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1answer
47 views

How can I modify this projectile class to support movement in an arbitrary direction?

Hi I have the following class which Updates and Draws a projectile: public class TierOneProjectile : IProjectile { private AnimatedTexture animation; private Vector2 screenPosition, ...
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2answers
95 views

Draw a never-ending line in XNA

I am drawing a line in XNA which I want to never end. I also have a tool that moves forward in X-direction and a camera which is centered at this tool. However, when I reach the end of the viewport ...
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0answers
122 views

How to implement simple shadows on XNA?

UPDATE: See photos below the description I try desperately to implement shadows on my XNA games. My game is a style of games like Voxel (minecraft). The problem is that I do not find support / ...
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80 views

graphics.IsFullScreen resetting to false after game constructor and graphics.ApplyChanges()

This is a MonoGame 3.2 Windows (DirectX) Project. I've tried setting graphics.IsFullScreen to true in the game's constructor and in the game's initialize function, both times running ...
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1answer
70 views

Cancel a SpriteBatch I've started drawing

Background: I'm working on a control library for XNA to use in a couple game clients I've written. The way I've implemented Dialogs is to have them derive from the base XNAControl class. XNAControl ...
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1answer
45 views

XNA Veiwing cubes behind others

I am learning 3D at the moment. It is going well but I am stuck on the viewing of the camera. I have two cubes, one next to each other made up of vertices, all the faces/triangles in the cubes are ...
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2answers
111 views

(XNA) Possible to hide, compress, or rename .XNB files?

I'm fairly new to XNA (only a week into C# and XNA at this point) but I have been developing games for a while now, and the program I used did not require any/many external files in creating an ...
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0answers
69 views

How can I create a 2D camera with zoom and parallax scrolling that works on every Windows Phone resolution?

Mario game that uses parallax scrolling: http://www.youtube.com/watch?v=de5f3mvRyIY I want to create a Windows Phone jump-and-run game with parallax scrolling. The parallax scrolling should be like ...
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2answers
68 views

XNA graphics.PreferredBackBufferWidth's new value doesn't immediately change window size

I set the width and height of the window in my game constructor, and then pass the graphics manager to a class to check the value. In the game's initialize function, it doesn't seem to recognize the ...
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1answer
134 views

Save Texture2D to file in Monogame

I'm working on a tilesheet builder tool for my game to speed up tile creation, and I need to save a generated texture2D as a png. I've tried using the .SaveAsPng function but it isn't implemented in ...
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2answers
81 views

Loading and storing content efficiently

So for example I have a class called TypingKeyboard. It allows you to display a string while it's being typed by the computer with sounds. I need one in the menu, for the title. And one for the ...
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1answer
79 views

XNA Masking Mayhem

I'd like to start by mentioning that I'm just an amateur programmer of the past 2 years with no formal training and know very little about maximizing the potential of graphics hardware. I can write ...
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1answer
79 views

Trying to understand the XNA fixed time step game loop logic

I came across the blog post Understanding GameTime, and after lots of reading on fixed time steps in game loops this is the approach I would like to take. In summary, this is the logic from the post: ...
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1answer
56 views

Detect which key was pressed last each frame

Why hello there, im developing a 2D game using XNA. My character movment is currently based on the keyboard state. Example (in the right order): if (state.IsKeyDown(Keys.W)) { //Do ...
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1answer
77 views

Blender animation to XNA distortion bug

I followed the instructions on the following video: http://www.youtube.com/watch?v=SissgQ0IXvk I'm using XNA 4.0 and Blender 2.69 I export the model with animation to a .FBX file. The animation is ...
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1answer
118 views

2D terrain with midpoint displacement and collision

I followed this theory Here to implement a simple scrolling 2D terrain for my running game. I am used to dealing with collision via a tile system but am looking for a good theory on how to perform ...
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62 views

Why isn't my Blender FBX not appearing in XNA?

I am trying to display a simple cube in XNA. The cube is the default Blender cube exported to a .fbx. Re-exporting the cube has had no effect. I have also varied the camera's z-distance from 5 to ...
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1answer
132 views

Resolution independent game world in 3D

I'm developing a game similar to Don't Starve - 2D billboards in a 3D world. Now I have encountered a problem with resolutions. I want the player to be able to change resolution, but I don't want to ...
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1answer
60 views

XNA Library DrawPrimitives throwing primitiveCount error

I downloaded the project from here http://silverlight.bayprince.com/tutorials.php?tutorial=13 and tried adding a new OBJ file with a few thousand vertices listed. The classic teapot works but when I ...
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0answers
68 views

How would I warp a mesh with code?

I recently asked a question about putting a camera at the head of a 3D human model here and it worked out rather well and whatnot, but there is still a problem that bothers me: How would I ...
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0answers
60 views

Any easier way to add networking to an XNA game? [closed]

I know that the MSDN has an article on this but I'm not developing for Xbox so I'm not sure if I should use NetworkSession or LocalGamer etc etc because I think they are Xbox only. But I haven't tried ...
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1answer
134 views

Is it more efficient to use an A* algorithm or a line system drawn in pathfinding in C#?

I was recently introduced to the A* algorithm when I asked a friend about making AI/NPC's in video games move to certain points and it sounded very interesting. I am building an FPS and it has AI that ...
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1answer
87 views

XNA 4.0 - Car game dashboard lights

I'm making a car game and doing the dashboard part. I'm trying to do the dashboard lights, i've did this changing the dashboard texture, overwriting the texture with the light image over it, example: ...
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2answers
153 views

Pathplanning A* Getting stuck in wall

I'm having a problem with my pathplanning. I can plan a path and make my character follow it, that's not a problem but then i plan a path around a wall it takes the shortest way as A* suggests, which ...
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1answer
168 views

Obstacle Avoidance With Walls in C#

I'm trying to do some obstacle avoidance. Yet somehow something is not going quite well. I've used the book "Programming Game AI by Example" to create a simular function in c# in combination with XNA. ...
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0answers
23 views

XNA 4.0 - Model texture transparency [closed]

I'm trying to use a semi transparent texture on a model in xna using BasicEffect, like this: ((BasicEffect)mesh.Effects[0]).Texture = alphaTexture; I've made the texture in code using color class, ...
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2answers
116 views

What is the most efficient way to work with lip sync/facial expressions in XNA?

I've been searching for an answer forever, but I haven't found one. What options are there for lip sync/facial expressions in video games made with XNA? I have a few models for a game I'm building, ...
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3answers
118 views

Removing something on Collision?

I have my collision detection code working so how would I tell my HealthPickup to disappear when my Player collides with it? I haven't played around with it yet but I think I may have to somehow ...
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2answers
185 views

Detecting Hitbox Collisions (Rectangle)

So I have some Hitboxes set up on 2 classes, HealthPickup and Player. public static Rectangle Hitbox; public override void Initialize() { Hitbox = new Rectangle(Pos.X, Pos.Y, 32, 32); } That's ...
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2answers
206 views

Tons of stuttering in XNA?

As stated in the title, my program stutters like crazy, even though my program for the most part runs for 60 fps. During the moments it stutters, FPS momentarily drops down to 59(stats from FRAPS). ...
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1answer
92 views

More Precise PathSmoothing

I'm reading a book about AI - Path planning and path smoothing. Yet this book is using c++ code. And i'm coding in c# with the XNA framework. I have a path smoothing working, yet the book says it can ...
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1answer
56 views

How to modify Game1.cs out of an object it contains? [closed]

Assuming I Have a List<SomeClass> myList; in my Game1-class. It also contains an object of SomeOtherClass otherClass;. How would I modify myList (Add/Remove) out of the otherClass's logic? Or in ...
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1answer
76 views

Volumetric Lighting projects models

I've been trying to implement Volumetric Lighting using the code from this tutorial but I've run into some issues, even after basically copypasting the shader code. I'll just show you what's going ...
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0answers
48 views

How to I coordinate a camera with the eyes of a model?

I am currently working on an FPS in XNA and I wanted to know how I would position the camera at the eyes of the model and whenever the model rotated or moved it's head (where the eyes are), the camera ...
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0answers
58 views

Particle friction with variable timestep in XNA

Alright, so I'm working on an engine of sorts in XNA (yes, it's deprecated, I know) and I'm implementing my own particle system. I've defined a "ParticleEffect" such that when it's supplied a GameTime ...
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2answers
197 views

XNA - Making 2D Hexagons Connect With Each Other

Hey so I'm working on a top-down 2D strategy game in XNA, and the tiles are hexagons. I can't have a grid because of the game mechanics, so everything has its own location, and every tile object is ...
2
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1answer
633 views

Drawing and scrolling very large zoomed tilemaps

I've been working on my game editor and doing some performance tests. In the meantime I realized that my editors performance goes significant down if I draw a large map and zoom it. 100% zoom = 112 ...
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1answer
81 views

Better to use one line per .wav or one scene per .wav for character speech?

I'm building a game in XNA and I wanted to know how I would organize the character speech portions of the game. These would include both cutscenes and anything else where characters interact. I ...
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2answers
130 views

Problem draw SkyBox behind my sun - XNA

I try to create a small and simple 3D games on XNA. I recently started to add a skyBox after added a sun in my game with the sample by Microsoft here ...
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1answer
83 views

XNA 3D cube rotation problem

I am new to game programming and still trying to clear up my basics. I am stuck with a problem and unable to resolve on my own knowledge. I am trying to rotate a 3d cube in MonoGame (Similar to XNA) ...
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1answer
270 views

Loading a stream/asset on Android MonoGame without ContentManager

In the game I am developing, I have created a serializable class that generates a .map file for saving and loading levels. In XNA, this works great using the following code: FileStream fileStream = ...